低压电力线双路扩谱通信系统

被引：2

作者：

仲元昌

李刚

曾孝平

机构：

[1] 重庆大学通信工程学院

[2] 重庆工学院计算机系

[3] 重庆大学通信工程学院重庆

[4] 重庆

来源：

电讯技术 | 2004年 / 01期

关键词：

低压电力线通信; 数字载波调制; 扩谱通信; 最小频移键控;

D O I：

暂无

中图分类号：

TN915.853 [电力通信网];

学科分类号：

0810 ; 081001 ;

摘要：

由于低压电力线的信道特性异常恶劣,为了利用低压电力线实现可靠通信,把数字载波调制与扩谱技术等现代通信技术应用于低压电力线通信,提出了数字载波调制与直序列扩谱(DS)相结合的低压电力线通信模式,建立了低压电力线的MSK双路扩谱通信系统模型;基于该模型,研制了低压电力线的MSK双路扩谱通信电路系统。实验结果表明:该系统不仅满足了电力线通信信道有效带宽窄的特点,实现了较好的频谱利用率,而且具有较强的抗干扰能力。因此,该低压电力线扩谱通信系统能较好地抑制低压电力线通信信道的干扰,提高了通信的可靠性,可广泛应用于低压电力线通信领域。

引用

页码：21 / 24

页数：4

共 7 条

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